July 27th, 2016
Waning Crescent Moon
moon
Duke Johnson

Night Vision: Robotic Explorers

Robotic explorers sent to the far reaches of our solar system enable us to appreciate the wonders that abound without actually going to these special places. Journeys through space to hazardous places are currently impossible for humans, but radiation hardened…

Paul Gibbs

Night Vision: Venus

Venus, the second planet from the Sun, is sometimes referred to as our sister planet, due to its similarity in size and density to Earth. But in many important respects, this inhospitable planet is nothing like the planet we call…

Robert Bigelow

Dress Warm for this Shower

The famous Leonid meteor shower is expected to peak at 10 p.m. MST on Tuesday, November 17. This meteor shower occurs every year as Earth collides with a stream of dusty debris shed by comet Temple-Tuttle. When these tiny comet…

Nick Jarvis

Night Vision: Exoplanets

“For then why may not every one of these Stars or Suns, have as great a retinue, as our Sun, of Planets, with their Moons to wait upon them? Nay, there is manifest reason why they should.”  Christiaan Huygens, Cosmotheoros? (1698)

Seth Jarvis

Cosmic Quiz – Why is the moon sometimes visible during the day?

This week 6-year-old Kambreigh Schooley asked us why she can sometimes see the moon during the daytime…What a great question! To answer this question you need to first remember that one half of the moon is always illuminated by the…

Richard

The North Star (more than you ever wanted to know)

First of all, the North Star is not the brightest star in the sky–not even close. Its formal name is Polaris and at magnitude +2, it barely makes the top 50 brightest stars in the sky (#48, not including the…